Finding the Fourth Proportional to 268,408.08, 370,404.35 and 147,557.13
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Solution
The fourth proportional to 268,408.08, 370,404.35 and 147,557.13 is: 203,629.50
Step by Step Solution
- Step 1: Write the proportion equation
268,408.08 : 370,404.35 = 147,557.13 : x - Step 2: Convert to fraction form
268,408.08/370,404.35 = 147,557.13/x - Step 3: Cross multiply
268,408.08x = 370,404.35 × 147,557.13 - Step 4: Simplify right side
268,408.08x = 54,655,802,825.52 - Step 5: Solve for x
x = 54,655,802,825.52/268,408.08 - Step 6: Final answer
x = 203,629.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.